Refractory material



Patented Deals, 1934 UNITED STATES PATENT OFFICE 1,984,759 macros]:MATERIAL v Bernard 1. Patton, deceased, late of Cleveland, Ohio, byJosephine V. Patton, administratrlx, Cleveland, Ohio No ApplicationNovember 21, 1931, Serial No. 576,621

spam. (01. 22-188) This invention relates to refractory materials, oneof the'objects being to provide a material suitable for application tothe hot-tops of molds for ingots and the like and which will withstandthe high temperatures and rough usage incidental to such use.

This material, before being rendered plasticv for application tohot-tops, consists of chrome ore, basic slag, magnesite, calcined fireclay, 7

plastic clay and common fire clay. The calcined fire clay is largely inexcess of the other substances in the mix, while it and the plastic clayand common clay form substantially three-quarters of the mix. Thesesubstances are all mixed 5 together and rendered plastic by the additionof suillcient water, this mix being then run into interior sin-lace ismaintained. reference to common fire clay is '-distinguish untreated orPercent muncorc 9.35 w

Y Per cent Magnesi 11.20 Calcined fire clay 42. 85 Plastic clay 14.02Common fire clay 19. 21 5 Per cent Chrome ore- 8to10 Basic slag 21:0 5-20 to 10 to 12 Calcinedfire clay-- 50 to30 Plastic clay 10 to 15 Commonfire clay to 28 What is claimed is:

A refractory material for application to the hot-tops oi ingot molds,consisting of from 8 to 10 per cent. chrome ore, 2 to 5 per cent. basic10 to 12 per cent. magnesite, 50 to 30 per cent. calcined fire clay, 10to 15 per cent. plastic clayand 20to 28per cent. commonfire clay.

1 v. Parson;

Bernard 1. Pat- 1 cam-:0 Altitiltill'l'llfl'itMme-Eddie!!!

